OpenTechnical

OT-2026-000061154

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061154) never changes.

Identity and time

Publication numberOT-2026-000061154 · never reused
Internal UUID01a0ae8b-137e-7a2f-ab51-20b1a07b825f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061154
StatusPUBLIC

Content hashes

Canonical text37c355b99dce4fb70694a13c4bd5ba0d69f160258ac3de8226c19aa8d0801348
Markdown8f45d1af92291f916b4cfe1435bae35d2b00dc63b16d93bba8443ff16ea75078
PDF
Publication pageb10fb9f39a7cfd24e3d011d14c751e0d2dd3785cbac2dc6aa22d923eddf4ffd1
Manifest1310c7fcb57e5bbf6b564dc21e7e8a8f7b29575650ed04e163836ee37eaf40d5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1m+xJyK/j9bLqiMipb6V2SNQAPRGtUmTd8p1iYytKylY5wwfkB5VbK1hbyCtobQPekYCLURzPXoBdMF3aGfrCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:32.306814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061154
observed b10fb9f39a7cfd24e3d011d14c751e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.289600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061154/manifest.json
observed 1310c7fcb57e5bbf6b564dc21e7e8a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.271928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061154/publication.md
observed 8f45d1af92291f916b4cfe1435bae35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.251930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061154/publication.txt
observed 37c355b99dce4fb70694a13c4bd5ba0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.